NTSB CAROL · Event
Event FTW98LA095
Registry · N99V
FAA Aircraft Registry record.
Make / Model
VAN'S AIRCRAFT RV-6A
Year of manufacture
2002
Engine
LYCOMING I0360 SER A&C (200 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
20020202
ADS-B equipped
Yes — Mode-S ADD225
Registrant of record
CHAPMAN GREGORY C
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to maintain the proper descent rate.
Factual narrative
On January 9, 1998, at 1600 central standard time, a Beech V35 airplane, N99V, registered to and operated by a private individual, was substantially damaged when it impacted terrain during an undershoot while landing on runway 14 at Elm Creek Airpark near Seguin, Texas. The private pilot, the sole occupant, received minor injuries. Visual meteorological conditions prevailed and no flight plan was filed for the Title 14 CFR Part 91 local personal flight that departed Elm Creek at 1500. In a written statement, the pilot reported that on final approach, he "had about a 15-20 degree crab to the left," "lowered full flaps at approximately 300 feet AGL," and "maintained 80 mph." He further reported that he "cut power and prepared for touchdown, and without stall warning or any other indication, the aircraft dropped approximately 20 feet and struck the ground slightly below the runway level." The pilot provided a sketch indicating that the airplane impacted below the top of a 15 foot tall embankment short of the approach end of runway 14. He stated that weather was "not a factor" and reported that winds at the time of the accident were from 120 degrees at 12 knots with gusts to 15 knots. Witnesses statements were obtained from two witnesses who were standing outside approximately 200 yards south of the approach end of runway 14. One of the witnesses reported that "on final approach everything looked normal" until "just prior to reaching the fence line (airport property), the aircraft sunk rapidly, struck the ground, and slid several hundred feet down the runway on its belly." The other witness stated that the airplane's final approach "appeared normal until short final" when "as cross controls were applied to counteract the crosswind from the right, aircraft began to sink and drift to the left." He further stated that the airplane was at an altitude of "about 20-25 feet or less when this began," and the "sink rate seemed to increase and aircraft struck 8-10 feet short of runway." This witness reported "strong gusty winds from SSW [200 degrees] at about 20 mph [17 knots]" and stated that hangars along the runway and large trees on short final to runway 14 "sometimes create turbulence and windshear in this area when winds are strong." According to the FAA inspector who examined the airplane, the nose gear had collapsed, both main landing gear were pushed through the wings, and the aft wing spars were cracked. At 1551, the Automated Surface Observing System (ASOS) at the New Braunfels Municipal Airport, located 12 nautical miles north of the accident site, recorded winds from 200 degrees at 17 knots. On final approach to runway 14, at an altitude of approximately 20 feet AGL, the airplane began to sink rapidly, and subsequently impacted below the top of a 15-foot tall embankment short of the approach end of the runway. Although a witness reported that hangars along the runway and large trees on short final to runway 14 'sometimes create turbulence and windshear in this area when winds are strong,' the pilot stated that weather was 'not a factor.' Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1998_FTW98LA095.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type or causal vocabulary (stall, turbulence). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2021 · Journal article (IJAAA)
Comparative Study on the Prediction of Aerodynamic Characteristics of Mini - Unmanned Aerial Vehicle with Turbulence Models
When dealing with CFD simulations the turbulent nature is seen on most of the engineering flows and these flows need to be solved.
- arXiv 2020 · arXiv preprint
Numerical Simulation of Iced Wing Using Separating Shear Layer Fixed Turbulence Models
Aerodynamic prediction of glaze ice accretion on airfoils and wing is studied using the Reynolds-averaged Navier-Stokes method.
- NASA NTRS 2019 · Conference Paper
Prediction of stall and post-stall behavior of airfoils at low and high Reynolds numbers
An interactive boundary-layer method, together with the e(super n)-approach to the calculation of transition, has been used to predict the stall and post-stall behavior of airfoils at low and high Rey…
- arXiv 2026 · arXiv preprint
Direct Numerical Simulations of Ice-Ocean Boundary Turbulence
Turbulent heat and freshwater transport at ice-ocean interfaces controls glacier and iceberg melt rates, yet the underlying physics remains poorly constrained.
- NASA NTRS 2026 · Conference Paper
Computational Analysis of Steady State Aerodynamics of Transonic Truss-Braced Wing Configuration in Deep Stall
This study presents a computational investigation of steady state aerodynamics of the Subsonic Ultra-Green Aircraft Research (SUGAR) Transonic Truss-Braced Wing (TTBW) configuration over a wide range …
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
Political Turbulence and Aviation Safety: A Cross-National Analysis of Political Stability's Effects on Aviation Accidents
To what extent does political stability affect aviation safety? This research aims to link domestic political conditions and public safety through the consideration of aviation accident frequency.
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